2027 ICD-10-CM Diagnosis Code N90.89Other specified noninflammatory disorders of vulva and perineum
ICD-10-CM Codes›N00–N99›N80-N98›N90
- Billable — Valid for Submission
- Not Chronic
N90.89 is a billable ICD-10-CM diagnosis code for other specified noninflammatory disorders of vulva and perineum. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 742 through 743, 760 through 761. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified female genital disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acquired fusion of labia
- Acquired labial adhesion
- Caruncle of labium
- Clitoral erection
- Congenital labial adhesion
- Deposition on vulva
- Disorder due to female genital mutilation
- Disorder of prepuce of clitoris
- Dryness of vulva
- Edema of clitoris
- Edema of prepuce of clitoris
- Edema of vulva
- Enlargement of labia
- Excessive smegma
- Excessive smegma on clitoris
- Fibrosis of perineum affecting pregnancy
- Finding of color of vulva
- Finding of quantity of smegma
- Finding of smegma
- Finding of tone of female perineum
- Fusion of vulva
- Hematoma of female perineum
- Hematoma of vulva
- Hyperpigmentation of vulva
- Hypertrophy of clitoral prepuce
- Hypertrophy of clitoris
- Hypertrophy of labia
- Hypertrophy of vulva
- Irritation of clitoris
- Labial adhesions
- Lesion of clitoris
- Lesion of vulva
- Lymphedema of genitalia
- Lymphedema of vulva
- Mass of female perineum
- Mass of vulva
- Old episiotomy scarring
- Old laceration of vulva
- Old laceration or scarring of vulva
- Old scarring of vulva
- Orifice of Bartholin's duct not seen
- Pain in female perineum
- Painful clitoral erection
- Phimosis clitoridis
- Polyp of labia
- Polyp of vulva
- Posterior fourchette scarring
- Pseudohypertrophy of labia
- Purpura of female perineum
- Purpura of vulva
- Recessed vulva
- Rigid perineum
- Rigid perineum in pregnancy, childbirth, and/or puerperium
- Scaling of female perineum
- Scaling of vulva
- Scarring of vulva
- Sensory disturbance of vulva
- Swelling of female genital structure
- Swelling of vulva
- Vaginal scar
- Vulva absent
- Vulva granulation
- Vulva not seen
- Vulval irritation
- Vulval pain
- Vulvovaginal scarring due to female genital mutilation
- White deposit on vulva
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to N90.89: its own notes plus those printed at N90 and Chapter 14. A note printed at a category, block or chapter applies to every code under it.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Adhesions of vulva
- Hypertrophy of clitoris
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Referenced in Other NotesGuidance
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Adherent See Also: Adhesions;
labia (minora) N90.89
Concretion See Also: Calculus;
clitoris N90.89
acquired N90.89
labium (majus) (minus) (congenital) Q52.79
acquired N90.89
acquired N90.89
Disease, diseased See Also: Syndrome;
Hematoma (traumatic) (skin surface intact) See Also: Contusion;
nonpuerperal, nontraumatic N90.89
old (postpartal) N90.89
vulva N90.89
Necrosis, necrotic (ischemic) See Also: Gangrene;
clitoris N90.89
Retention See Also: Retained;
smegma, clitoris N90.89
Scar, scarring See Also: Cicatrix; L90.5
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Vulvar Disorders
The vulva is the outer part of the female genitals. This includes the clitoris, vaginal lips, and the opening to the vagina. A vulvar disorder is a health problem that affects your vulva. These problems may cause pain, itching, or skin changes of the vulva. Treatment depends on the cause.
The full article covers:
- What are vulvar disorders?
- Who is more likely to develop vulvar disorders?
- What are the symptoms of vulvar disorders?
- How are vulvar disorders diagnosed?
- What are the treatments for vulvar disorders?
- Can vulvar disorders be prevented?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert N90.89 to ICD-9-CMHistory
Code HistoryHistory
Questions About N90.89Overview
What is the ICD-10 code for other specified noninflammatory disorders of vulva and perineum?
The ICD-10-CM code for other specified noninflammatory disorders of vulva and perineum is N90.89 (sometimes written as N9089). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is N90.89 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified noninflammatory disorders of vulva and perineum on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does N90.89 group to?
When other specified noninflammatory disorders of vulva and perineum is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.7039 to 1.8448 depending on complications. Higher weights mean higher Medicare reimbursement.
Can N90.89 be reported with A63.0?
Not as a rule. The Excludes1 note at N90, which applies to N90.89, lists "anogenital (venereal) warts (A63.0)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).
What is the ICD-9 equivalent of N90.89?
Under the General Equivalence Mappings, other specified noninflammatory disorders of vulva and perineum converts to ICD-9-CM 624.2 (hypertrophy of clitoris) and 624.8 (noninflam dis vulva NEC). The mapping is approximate, so confirm the match fits the documentation.
